Matthias Apitz wrote:
El día Wednesday, September 03, 2008 a las 08:04:49AM -0700, Sam Leffler 
escribió:

Matthias Apitz wrote:
Hello,

I'm using WPA to connect to my various Wifi AP's (office, home, partner
locations) and have them well configured in the wpa_supplicant.conf(5)
file;

>from time to time at home I encounter that it is associating with an
unknown AP of my neighbourhood:


# ifconfig iwi0
iwi0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
       ether 00:13:ce:a1:e6:81
       inet 192.168.2.3 netmask 0xffffff00 broadcast 192.168.2.255
       media: IEEE 802.11 Wireless Ethernet autoselect (DS/11Mbps)
       status: associated
       ssid o2DSL_kJaR channel 1 (2412 Mhz 11g) bssid 00:19:cb:86:b3:84
       authmode OPEN privacy ON deftxkey 1 wepkey 1:40-bit bmiss 10
       scanvalid 60 bgscan bgscanintvl 300 bgscanidle 250 roam:rssi11g 7
       roam:rate11g 5 protmode CTS roaming MANUAL
# ifconfig iwi0 list scan
SSID            BSSID              CHAN RATE   S:N     INT CAPS
o2DSL_kJaR 00:19:cb:86:b3:84 1 54M 19:0 100 EP xxxxxxxxxxxx 00:14:6c:44:aa:f6 11 54M 13:0 100 EP WPA

the network with SSID 'o2DSL_kJaR' is not im my
/etc/wpa_supplicant.conf;

how this is possible and how can I prevent this?
You must have a wildcard entry in your wpa_supplicant.conf file (i.e. one w/o an ssid specified).

Thx for the idea, but I don't have any wildcard entry; I've checked the
conf file and also wpa_cli says:

list_networks
network id / ssid / bssid / flags
0       santaclara      any
1       tarara  any     [CURRENT]
2       OCLCPICAUK      any
3       board_room      any
4       guagua  any
5       OCN-LAN any
6       ConnectionPoint any

and:

# fgrep network= /etc/wpa_supplicant.conf | wc -l
       7
# fgrep ssid=\" /etc/wpa_supplicant.conf ssid="santaclara"
        ssid="tarara"
        ssid="OCLCPICAUK"
        ssid="board_room"
        ssid="guagua"
        ssid="OCN-LAN"
        ssid="ConnectionPoint"

So far as I know this should not happen. It'd be useful to have a wpa_supplicant log that shows it associating to an ssid not listed in the config file.

   Sam

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